The vampire diaries-the return nightfall by L.J Smith chapters 1-9

So Elena got turned into a vampire, then she died protecting Stefan, then she came back as a spirit and now for this book she's back as a human with skills after the spirits sent her back. There is something weird going on in Fells church and it starts with Caroline Forbes, who seems to have something evil going on with her mirror, Damon is enthralled watching what goes on, the only thing is he seems to be getting dragged into the evil also. Stefan is worried about Elena as she hasn't fully converted over from her spirit to human self, she has forgotten lots of things and she can't speak, she speaks to stefan by the thoughts and pictures in her head. Her friends Bonnie, Meredith, Matt and Caroline go to visit Elena but all hell breaks free as Elena kisses Caroline and she takes it as something disgusting, this is when all of them get see that something evil is flowing in the back ground, when Caroline spooks up some black magic. As bonnie and Meredith go home they have and sleep over which ends in Bonnie having a message from the other side, one that is passed on to Meredith. She works our that it is all backwards, and after taking some time to work through it all she gets the message put together, the message is something they have to tell Stefan. The following day they pass on the message to Stefan, who thne in turn tells them he has to take Elena away from the evil in Fells church as he feels she can never be safe there. Bonnie is gutted that she is going to loose her best friend, on the way back from stefan's Matt, Bonnie and Meredith are invovled in an accident, which seems more than a little odd as a tree seems to be trying to kill them. Just what is going on in Fells church?